Home / 12,261.22-16,919.99-6,955.93

Finding the Fourth Proportional to 12,261.22, 16,919.99 and 6,955.93

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Solution

The fourth proportional to 12,261.22, 16,919.99 and 6,955.93 is: 9,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.22 : 16,919.99 = 6,955.93 : x
  2. Step 2: Convert to fraction form
    12,261.22/16,919.99 = 6,955.93/x
  3. Step 3: Cross multiply
    12,261.22x = 16,919.99 × 6,955.93
  4. Step 4: Simplify right side
    12,261.22x = 117,694,266.04
  5. Step 5: Solve for x
    x = 117,694,266.04/12,261.22
  6. Step 6: Final answer
    x = 9,598.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.